Brad Frost and Craig Villamor, friends and a mobile web strategist and a principal architect at Salesforce.com, respectively, started a blog called "WTF QR Codes" that is entirely dedicated to the worst of the worst QR codes. From QR bikini bottoms to requiring people to cross the dangerous third rail of a subway track to scan the code.

"It turns out we weren't the only ones that thought that a lot of these codes are ridiculous," Frost told BI.